At 1100 feet long and 137 feet high, the Lyman Viaduct iron railroad trestle was built 1872-1873 to span the valley of Dickinson Creek near Colchester, Connecticut. Named after David Lyman, the man who built the New Haven, Middletown & Willimantic section of the Air Line Railroad, the trestle was a major link in a railroad line that was billed as the fastest route between Boston and New York City.

To appreciate the scale, check out the guy and horse at the bottom.

Filled in long ago, the site is now part of a rails-to-trails not far from where the Yankee Polecats hold their late summer outing, On Golden Pond.